Unseen for years, director Penelope Spheeris' acclaimed documentary/concert film looks at L.A.'s '80s and '90s hardcore music scenes are back in a four-disc set. "The Decline of Western Civilization" (1981) features performances from such infamous punk bands as Black Flag, Circle Jerks, Fear, Germs, and X. Music by Alice Cooper, Megadeth, and Motorhead and interviews with Ozzy Osbourne, Paul Stanley, Steven Tyler, and others are featured in "The Decline of Western Civilization, Part II: The Metal Years" (1988). And the lives of homeless SoCal "gutter punk" teens are captured in the sobering documentary "The Decline of Western Civilization, Part III" (1998). 4 2/3 hrs. total. Standard/Widescreen; Soundtrack: English Dolby Digital 5.1; audio commentary; bonus footage; interviews; theatrical trailers; more.